Every definitive movement has its own hand-sign. 9/11 Truth protesters should also have theirs. This video shows the Truth hand-sign which is similar to the OK hand-sign and resembles an inverted 911. The Truth 'masonic' handshake is simply an extension of the hand-sign to the handshake.

Music

"The Reel Chaplin - A Symphonic Adventure (Part 2): The Chaplin Revue, Modern Times, Including 'smile!'" by The City of Prague Philharmonic Orchestra & Carl Davis (Google Play • AmazonMP3 • iTunes)